Jackson Systems "D" Series motorized rectangular zone dampers are designed especially for use in zone control, air inlet, and exhaust air vents, although they may be used to control air flow in any duct system. These dampers are powered open/spring return closed.

Jackson Systems "D" Series motorized rectangular zone dampers are designed especially for use in zone control, air inlet, and exhaust air vents, although they may be used to control air flow in any duct system. These dampers are powered open/spring return closed.